EP1890858B1 - Procede de production de paille pour boire parfumee et produit ainsi fabrique - Google Patents

Procede de production de paille pour boire parfumee et produit ainsi fabrique Download PDF

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Publication number
EP1890858B1
EP1890858B1 EP05751931A EP05751931A EP1890858B1 EP 1890858 B1 EP1890858 B1 EP 1890858B1 EP 05751931 A EP05751931 A EP 05751931A EP 05751931 A EP05751931 A EP 05751931A EP 1890858 B1 EP1890858 B1 EP 1890858B1
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EP
European Patent Office
Prior art keywords
scented
polypropylene
mixture
drinking straw
compound
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP05751931A
Other languages
German (de)
English (en)
Other versions
EP1890858A1 (fr
Inventor
Chris Kestle
Dan 215/34 Siam Place SCOTT
Niclas Olsson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tetra Laval Holdings and Finance SA
Original Assignee
Tetra Laval Holdings and Finance SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from TH503000694U external-priority patent/TH2428A3/th
Application filed by Tetra Laval Holdings and Finance SA filed Critical Tetra Laval Holdings and Finance SA
Publication of EP1890858A1 publication Critical patent/EP1890858A1/fr
Application granted granted Critical
Publication of EP1890858B1 publication Critical patent/EP1890858B1/fr
Anticipated expiration legal-status Critical
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G21/00—Table-ware
    • A47G21/18—Drinking straws or the like
    • A47G21/183—Drinking straws or the like with means for changing the flavour of the liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/29—Feeding the extrusion material to the extruder in liquid form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0021—Combinations of extrusion moulding with other shaping operations combined with joining, lining or laminating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/17—Articles comprising two or more components, e.g. co-extruded layers the components having different colours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/008—Drinking straws
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/10—Homopolymers or copolymers of propene
    • C08J2323/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers

Definitions

  • the present invention relates to a process of producing drinking straw in the field of industrial engineering.
  • the process of producing scented drinking straw has started by introducing a FDA approved scented oil into the drinking straw extrusion process.
  • the first problem was that the scented oil boiled and gave a burned smell at the temperature of between 150-250 degrees Celsius during normal operation of the extruder.
  • the second problem was that the extruder lost its pressure since the properties of the scented oil reduced the friction inside the extruder.
  • the result was that none of or very few polypropylene plastic came out from the extruder even though the production was operated at normal production speed of 20-50 Kg per hour.
  • the scented oil has been developed into scented compound.
  • the scented compound is produced from the mixture of polypropylene plastic and the FDA approved scented oil. Theoretically, introducing scented compound into the extruder would allow the building up of pressure whilst melting polypropylene plastic and scented oil. However, this method was proved unsuccessful due to the same three problems as mentioned above were encountered.
  • a method of scenting a polyolefin with a scent-imparting material to form master pellets that can be used to scent larger quantities of polyolefins is known from document US-A-3 505 432 .
  • the general purpose of the present invention is to provide a process of producing scented drinking straw by introducing scented polypropylene compound into the polypropylene mixture at the beginning of the drinking straw extrusion process through a color-feed typed dosing system. It ensures that the scented drinking straw produced from the process will deliver an independent and long-lasting scent which will not evaporate or rub off easily since the scented oil has incorporated into the polypropylene plastic used for producing scented drinking straw.
  • the process of producing scented drinking straw starts when two grades of polypropylene plastic are mixed together at a ration of 5-25% Copolymers and 75-95% of Homo-polymers.
  • This polypropylene mixture which will be referred to as base mixture, is then pushed through a metal barrel by a metal screw pushing the mixture through between 2-8 heating zones melting the mixture in stages before entering the extrusion process at a rate of 40 kilograms per hour.
  • the optional color pigment in the form of master-batch can be introduced into the base mixture if a certain color drinking straw is required.
  • This master-batch can be introduced at the beginning of the extrusion process through a color-feed typed dosing system. This dosing system can be adjusted from 0-999 rpm.
  • scented polypropylene compound is introduced into the base mixture at the beginning of the extrusion process through said dosing system.
  • the compound of which containing 5-10% scented oil is made of a mixture of polypropylene plastic and FDA approved scented oil plus additives.
  • the amount of the compound introduced through the dosing system can be adjusted at a rate of 1.4-3.5 kilograms per hour depending on the strength of scent desired.
  • the amount of the compound incorporated in the finished drinking straw is between 1-20%.
  • the scented polypropylene compound introduced into the extrusion process will not give a burned smell of boiled scented oil, which will happen when introducing scented oil into the process. This is because the boiling point of the compound is higher than the temperature of a normal operation of the extruder used in the extrusion process, and that of the scented oil. Also, introducing the compound into the base mixture at the beginning of the extrusion process will bring the subsequent mixture to a suitable stage that will sustain optimal pressure and friction for the function of the extruder. In addition, introducing the compound, which is in a form of solid, will enhance the control of the amount of scented oil introduced into the extrusion process since the amount of scented oil in the compound is stable.
  • the subsequent mixture of the scented polypropylene compound and base mixture is extruded out as a long continuous plastic drinking straw containing scent.
  • the extruded drinking straw is then proceeding to the cutting process for a desired length depending on the length required for finished product.
  • the length, weight and diameter are compared to standard specification.
  • the drinking straws are transported and fed through corrugation and wrapping process, quality control and assurance process, and finally, packaging process before they are transported to the warehouse.
  • An example of the actual process of producing scented drinking straw is a batch production for producing 1000 pieces of scented drinking straws with 4 mm. in diameter, 165 mm, in length and a wall thickness of 0.2 mm. This batch production will use 475 grams of base mixture and 37.66 grams of scented polypropylene compound in the process.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Fats And Perfumes (AREA)

Abstract

La présente invention décrit un procédé visant à fabriquer une paille pour boire parfumée, ledit procédé comprenant les étapes consistant à: mélanger deux qualités de polypropylène pour former un mélange de polypropylène; faire fondre le mélange de polypropylène en lui faisant traverser 2 à 8 zones de chauffage avant de pénétrer dans le poste d'extrusion; introduire un composé de polypropylène parfumé dans le mélange de polypropylène via un système doseur du type de ceux permettant d'introduire des colorants, au début du poste d'extrusion; et extruder le mélange constitué du composé de polypropylène parfumé et du mélange de polypropylène sous la forme d'une longue paille à boire continue contenant un parfum.

Claims (3)

  1. Procédé de production d'un chalumeau à boire aromatisé, comprenant les étapes qui consistent à :
    - faire fondre un mélange de polypropylène qui comprend au moins une qualité de polypropylène en refoulant ledit mélange à travers 2 à 8 zones de chauffage avant qu'il entre dans l'opération d'extrusion,
    - par l'intermédiaire d'un système de dosage de type pour injection de colorant, introduire au début de l'opération d'extrusion un composé aromatisé de polypropylène constitué d'un mélange de matière plastique de polypropylène et d'une huile aromatisée agréée par les autorités de l'alimentation dans le mélange de polypropylène et
    - extruder le mélange du composé aromatisé de polypropylène et du mélange de polypropylène sous la forme d'un long chalumeau à boire contenant un arôme.
  2. Procédé selon la revendication 1, comprenant les étapes qui consistent à mélanger deux qualités de polypropylène à un rapport de 5 à 25 % de copolymère et de 75 à 95 % d'homopolymère pour former un mélange de polypropylène.
  3. Chalumeau à boire aromatisé produit à l'aide du procédé selon la revendication 1.
EP05751931A 2005-05-20 2005-06-07 Procede de production de paille pour boire parfumee et produit ainsi fabrique Ceased EP1890858B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TH503000694U TH2428A3 (th) 2005-05-20 กรรมวิธีการผลิตหลอดเครื่องดื่มที่มีกลิ่นและผลิตภัณฑ์ที่ผลิตขึ้นจากกรรมวิธีดังกล่าว

Publications (2)

Publication Number Publication Date
EP1890858A1 EP1890858A1 (fr) 2008-02-27
EP1890858B1 true EP1890858B1 (fr) 2009-09-30

Family

ID=37431493

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05751931A Ceased EP1890858B1 (fr) 2005-05-20 2005-06-07 Procede de production de paille pour boire parfumee et produit ainsi fabrique

Country Status (3)

Country Link
EP (1) EP1890858B1 (fr)
PT (1) PT1890858E (fr)
WO (1) WO2006123978A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3505432A (en) * 1966-01-28 1970-04-07 Alfred A Neuwald Polyolefine scenting method
US3346187A (en) * 1966-03-28 1967-10-10 Flexible Plastic Straw Corp Flexible drinking straws
US3615595A (en) * 1969-04-08 1971-10-26 Nat Patent Dev Corp Flavored drinking straw
US6231942B1 (en) * 1998-01-21 2001-05-15 Trexel, Inc. Method and apparatus for microcellular polypropylene extrusion, and polypropylene articles produced thereby
US7014808B2 (en) * 2002-03-05 2006-03-21 The Coca-Cola Company Method and apparatus for coating the interior surface of a straw

Also Published As

Publication number Publication date
WO2006123978A1 (fr) 2006-11-23
PT1890858E (pt) 2009-11-20
EP1890858A1 (fr) 2008-02-27

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